package com.sap.common.valid;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.util.HashSet;
import java.util.Set;

public class ListValueConstraintValidator implements ConstraintValidator<ListValue, Integer> {


    private Set<Integer> set = new HashSet<Integer>();

    // 初始化方法
    public void initialize(ListValue constraintAnnotation) {
        int[] vals = constraintAnnotation.vals();
        for (int val : vals) {
            set.add(val);
        }
    }

    /**
     * @param value                      需要校验得知
     * @param constraintValidatorContext
     * @return
     */
    public boolean isValid(Integer value, ConstraintValidatorContext constraintValidatorContext) {
        if (set.contains(value)) {
            return true;
        }
        return false;
    }
}
